Well the Sony has the better bokeh..........with the Samyang being sharper at the edges........bokeh a bit bubbly though.....my vote goes to the Samyang.

I think that the 85mm F1.4 was a bit of a strange being with it's awful rendering..........whereas the Samyang 135mm F2 lens has some of the best of creamy bokeh out there.
I'm happy with the 14mm F2.8........and the 8mm F3.5 fisheye which went with my sold Pentax gear.........superb flare control!

Samyang have a nasty habit of leaving the distance calibration to the buyer on their manual lenses, who has to post on forums and track down utube videos in order to calibrate infinity distance on the focus ring........
.....construction is criticised too............IMHO they are better built than many........however, it is too early for commenting on the new AF versions.